#include <iostream>
#include <string>
using namespace std;
/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main(int argc, char** argv) {
	string A="hello world";
	for(auto&w:A){
		++w;
		w='x';
		
	}
	cout<<A<<endl;
	return 0;
}
